<template>
  <el-row :gutter="20">
    <el-col :span="6">
      <category @tree-node-click="treenodeclick"></category>
    </el-col>
    <el-col :span="18">
      <div class="mod-config">
        <el-form :inline="true"
                 :model="dataForm"
                 @keyup.enter.native="getDataList()">
          <el-form-item>
            <el-input v-model="dataForm.key"
                      placeholder="参数名"
                      clearable></el-input>
          </el-form-item>
          <el-form-item>
            <el-button @click="getDataList()">查询</el-button>
            <el-button type="success"
                       @click="getAllDataList()">查询全部</el-button>
            <el-button v-if="isAuth('product:attrgroup:save')"
                       type="primary"
                       @click="addOrUpdateHandle()">新增</el-button>
            <el-button v-if="isAuth('product:attrgroup:delete')"
                       type="danger"
                       @click="deleteHandle()"
                       :disabled="dataListSelections.length <= 0">批量删除</el-button>
          </el-form-item>
        </el-form>
        <el-table :data="dataList"
                  border
                  v-loading="dataListLoading"
                  @selection-change="selectionChangeHandle"
                  style="width: 100%;">
          <el-table-column type="selection"
                           header-align="center"
                           align="center"
                           width="50"></el-table-column>
          <el-table-column prop="attrGroupId"
                           header-align="center"
                           align="center"
                           label="分组id"></el-table-column>
          <el-table-column prop="attrGroupName"
                           header-align="center"
                           align="center"
                           label="组名"></el-table-column>
          <el-table-column prop="sort"
                           header-align="center"
                           align="center"
                           label="排序"></el-table-column>
          <el-table-column prop="descript"
                           header-align="center"
                           align="center"
                           label="描述"></el-table-column>
          <el-table-column prop="icon"
                           header-align="center"
                           align="center"
                           label="组图标"></el-table-column>
          <el-table-column prop="catelogId"
                           header-align="center"
                           align="center"
                           label="所属分类id"></el-table-column>
          <el-table-column fixed="right"
                           header-align="center"
                           align="center"
                           width="150"
                           label="操作">
            <template slot-scope="scope">
              <el-button type="text"
                         size="small"
                         @click="relationHandle(scope.row.attrGroupId)">关联</el-button>
              <el-button type="text"
                         size="small"
                         @click="addOrUpdateHandle(scope.row.attrGroupId)">修改</el-button>
              <el-button type="text"
                         size="small"
                         @click="deleteHandle(scope.row.attrGroupId)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <el-pagination @size-change="sizeChangeHandle"
                       @current-change="currentChangeHandle"
                       :current-page="pageIndex"
                       :page-sizes="[10, 20, 50, 100]"
                       :page-size="pageSize"
                       :total="totalPage"
                       layout="total, sizes, prev, pager, next, jumper"></el-pagination>
        <!-- 弹窗, 新增 / 修改 -->
        <add-or-update v-if="addOrUpdateVisible"
                       ref="addOrUpdate"
                       @refreshDataList="getDataList"></add-or-update>

        <!-- 修改关联关系 -->
        <relation-update v-if="relationVisible"
                         ref="relationUpdate"
                         @refreshData="getDataList"></relation-update>
      </div>
    </el-col>
  </el-row>
</template>

<script>
/**
 * 父子组件传递数据
 * 1)、子组件给父组件传递数据，事件机制；
 *    子组件给父组件发送一个事件，携带上数据。
 * // this.$emit("事件名",携带的数据...)
 */
// 这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
// 例如：import《组件名称》from'《组件路径》';
import Category from '../common/category'
import AddOrUpdate from './attrgroup-add-or-update'
import RelationUpdate from './attr-group-relation'
export default {
  // import引入的组件需要注入到对象中才能使用
  components: { Category, AddOrUpdate, RelationUpdate },
  props: {},
  data () {
    return {
      catId: 0,
      dataForm: {
        key: ''
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      relationVisible: false
    }
  },
  activated () {
    this.getDataList()
  },
  methods: {
    // 处理分组与属性的关联
    relationHandle (groupId) {
      this.relationVisible = true
      this.$nextTick(() => {
        this.$refs.relationUpdate.init(groupId)
      })
    },
    // 感知树节点被点击
    treenodeclick (data, node, component) {
      if (node.level === 3) {
        this.catId = data.catId
        this.getDataList() // 重新查询
      }
    },
    getAllDataList () {
      this.catId = 0
      this.getDataList()
    },
    // 获取数据列表
    getDataList () {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl(`/product/attrgroup/list/${this.catId}`),
        method: 'get',
        params: this.$http.adornParams({
          page: this.pageIndex,
          limit: this.pageSize,
          key: this.dataForm.key
        })
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.dataList = data.page.list
          this.totalPage = data.page.totalCount
        } else {
          this.dataList = []
          this.totalPage = 0
        }
        this.dataListLoading = false
      })
    },
    // 每页数
    sizeChangeHandle (val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle (val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 多选
    selectionChangeHandle (val) {
      this.dataListSelections = val
    },
    // 新增 / 修改
    addOrUpdateHandle (id) {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id)
      })
    },
    // 删除
    deleteHandle (id) {
      var ids = id
        ? [id]
        : this.dataListSelections.map(item => {
          return item.attrGroupId
        })
      this.$confirm(
        `确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`,
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        this.$http({
          url: this.$http.adornUrl('/product/attrgroup/delete'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      })
    }
  }
}
</script>
<style scoped>
</style>